Registered fire sprinkler fitter apprentices by county, open recruitment windows where the state publishes them, and how the apprentice tier fits Oklahoma's licence ladder. Updated nightly.
Oklahoma has 30 registered fire sprinkler fitter apprentices in active status (fiscal year 2025, DOL RAPIDS), placed in 16 counties, 0.1 per 10,000 residents. That is 0.5 apprentices for every 100 employed fire sprinkler fitters in the state, the rate at which the trade is training its own replacements.
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Registered fire sprinkler fitter apprentices by county of the apprentice, largest first. Each county links to its fire sprinkler fitters market page.
| County | Apprentices | Share | Per 10k residents |
|---|---|---|---|
| Tulsa County | 5 | 17% | 0.1 |
| Oklahoma County | 4 | 13% | 0.0 |
| Grady County | 3 | 10% | 0.5 |
| Pawnee County | 3 | 10% | 1.9 |
| Payne County | 3 | 10% | 0.4 |
| Muskogee County | 2 | 7% | 0.3 |
| Canadian County | 1 | 3% | 0.1 |
| Cherokee County | 1 | 3% | 0.2 |
| Cimarron County | 1 | 3% | 4.6 |
| Cleveland County | 1 | 3% | 0.0 |
| Creek County | 1 | 3% | 0.1 |
| Garvin County | 1 | 3% | 0.4 |
| Lincoln County | 1 | 3% | 0.3 |
| Mayes County | 1 | 3% | 0.3 |
| McClain County | 1 | 3% | 0.2 |
| 1 other county | 1 | 3% |
Source: DOL RAPIDS apprenticeship FY2025, active status, county-coded; as of December 31, 2025.
The Oklahoma register ATI reads carries no separate apprentice-tier credential for fire sprinkler fitters; its ladder for this trade starts at Journeyman (28 active records, read September 16, 2026). Registered apprentices in the county table above are counted from the federal apprenticeship system, not from the licence register.
Credential types the Oklahoma Office of the State Fire Marshal (or the state agency administering fire protection contractor licensing) issues for this trade: Fire Protection Sprinkler Contractor licence / Certificate of Competency, Sprinkler fitter or apprentice registration where the state issues one, NICET certification in Automatic Sprinkler System Layout or Water-Based Systems. See how to get a fire sprinkler fitter license in Oklahoma for hours, exams and renewal.
Sources: registered apprentices: DOL RAPIDS apprenticeship FY2025, active status, as of December 31, 2025; employment: BLS QCEW construction x OEWS occupation share (estimate); licence tiers: Oklahoma register read September 16, 2026; population: U.S. Census 2023 estimates.
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